When to Plant in Madison, WI

In Madison, Wisconsin, the gardening calendar is primarily influenced by the last spring frost date of May 10 and the first fall frost date of October 2, resulting in an average of 145 frost-free days each year. This window is essential for planning your planting schedules, particularly for choices like vegetables, flowers, and herbs that thrive in this duration. Understanding these frost dates allows gardeners to make informed decisions, ensuring that their plants have the best chance to mature before the cold weather sets in again.

The humid continental Great Plains microclimate of Madison creates a unique environment for gardeners. Crops such as tomatoes, peppers, and corn excel here due to the warm summers and adequate rainfall, which provide ideal growing conditions. Conversely, more delicate plants like tender herbs (e.g., basil) and certain fruits (e.g., strawberries) may struggle because the risk of frost can hinder their development and yield. The cool nighttime temperatures, particularly in early spring and late fall, can also pose challenges for these more sensitive crops.

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